Home / 7,815.03-10,781.33-4,671.24

Finding the Fourth Proportional to 7,815.03, 10,781.33 and 4,671.24

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Solution

The fourth proportional to 7,815.03, 10,781.33 and 4,671.24 is: 6,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.03 : 10,781.33 = 4,671.24 : x
  2. Step 2: Convert to fraction form
    7,815.03/10,781.33 = 4,671.24/x
  3. Step 3: Cross multiply
    7,815.03x = 10,781.33 × 4,671.24
  4. Step 4: Simplify right side
    7,815.03x = 50,362,156.59
  5. Step 5: Solve for x
    x = 50,362,156.59/7,815.03
  6. Step 6: Final answer
    x = 6,444.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.